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Submission #140656

# Submission time Handle Problem Language Result Execution time Memory
140656 2019-08-04T10:22:24 Z baluteshih Gondola (IOI14_gondola) C++14
75 / 100
 25 ms 2484 KB 
#include "gondola.h"
#include <bits/stdc++.h>
#define jizz ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
#define pb push_back
#define MP make_pair
#define F first
#define S second
#define MEM(i,j) memset(i,j,sizeof i)
#define ALL(v) v.begin(),v.end()
#define ET cout << "\n"
#define DB(a,s,e) {for(int i=s;i<e;++i) cout << a[i] << " ";ET;}
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;

const ll MOD=1e9+9;

int valid(int n, int inputSeq[])
{
	int p=min_element(inputSeq,inputSeq+n)-inputSeq;
	vector<int> v(inputSeq,inputSeq+n);
	sort(ALL(v));
	for(int i=0;i+1<n;++i)
		if(v[i]==v[i+1]) return 0;
	if(inputSeq[p]>n) return 1;
	for(int i=p;i<p+n;++i)
		if(inputSeq[i%n]<=n&&inputSeq[i%n]!=inputSeq[p]+i-p)
			return 0;
	return 1;
}

//----------------------

int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
	vector<int> org(n);
	int p=min_element(gondolaSeq,gondolaSeq+n)-gondolaSeq;
	if(gondolaSeq[p]>n)
		for(int i=0;i<n;++i)
			org[i]=i+1;
	else
		for(int i=p;i<p+n;++i)
			org[i%n]=(gondolaSeq[p]+i-p-1)%n+1;
	vector<pii> v;
	for(int i=0;i<n;++i)
		if(gondolaSeq[i]>n)
			v.pb(MP(gondolaSeq[i],i));
	sort(ALL(v));
	int nw=n+1,tp=0;
	for(pii i:v)
	{
		replacementSeq[tp++]=org[i.S];
		while(nw<=i.F)
			replacementSeq[tp++]=nw++;
		--tp;
	}
	return tp;
}

//----------------------

ll pw(ll a,ll n)
{
	ll re=1;
	for(;n;n>>=1,a=a*a%MOD)
		if(n&1) re=re*a%MOD;
	return re;
}

int countReplacement(int n, int inputSeq[])
{
	if(!valid(n,inputSeq)) return 0;
	ll ans=1;
	vector<int> v;
	for(int i=0;i<n;++i)
		if(inputSeq[i]>n)
			v.pb(inputSeq[i]);
	sort(ALL(v),greater<int>());
	for(int ls=n+1;!v.empty();ls=v.back()+1,v.pop_back())
		ans*=pw(v.size(),v.back()-ls),ans%=MOD;
	return ans;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 256 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 3 ms 364 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 10 ms 760 KB Output is correct
7 Correct 20 ms 1528 KB Output is correct
8 Correct 14 ms 1260 KB Output is correct
9 Correct 7 ms 632 KB Output is correct
10 Correct 20 ms 1400 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 10 ms 760 KB Output is correct
7 Correct 20 ms 1528 KB Output is correct
8 Correct 14 ms 1272 KB Output is correct
9 Correct 8 ms 632 KB Output is correct
10 Correct 21 ms 1528 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 10 ms 888 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 21 ms 1528 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 380 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 504 KB Output is correct
10 Correct 2 ms 376 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 400 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 504 KB Output is correct
11 Correct 13 ms 1400 KB Output is correct
12 Correct 14 ms 1520 KB Output is correct
13 Correct 18 ms 1524 KB Output is correct
14 Correct 12 ms 1400 KB Output is correct
15 Correct 24 ms 2484 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct

Subtask #8
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 252 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 504 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 256 KB Output is correct

Subtask #9
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 25 ms 1612 KB Output is correct
10 Correct 21 ms 1432 KB Output is correct
11 Correct 9 ms 760 KB Output is correct
12 Correct 11 ms 888 KB Output is correct
13 Incorrect 4 ms 504 KB Output isn't correct

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 424 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 25 ms 1608 KB Output is correct
10 Correct 21 ms 1376 KB Output is correct
11 Correct 9 ms 760 KB Output is correct
12 Correct 11 ms 888 KB Output is correct
13 Incorrect 4 ms 508 KB Output isn't correct
14 Halted 0 ms 0 KB -